A blog about computers, open source, software and other perceptions gained over the years as a sysadmin.

Wednesday, February 10, 2010

Ksplice, never reboot your linux box again.

Ksplice is pretty some pretty interesting software for Linux. Its a service that patches the running kernel without any reboot taking place. On a critical server you dont want any downtime on or where you want to choose your own downtime its damn near perfect. Sure you probably have some kind of HA and multiple servers but that doesn't mean its convenient to take the machines down all the time for updates.

If youre interested, take a look at http://www.ksplice.com/paper and read about how it works.

To my knowledge there isn't anything even remotely similar for Windows but its not that much of a problem, they have to be rebooted all the time anyway because of locked files, lost system resources and whatnot.

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